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5143971 = 3734999
BaseRepresentation
bin10011100111110110100011
3100200100012110
4103213312203
52304101341
6302130403
761503000
oct23476643
910610173
105143971
1129a3818
121880a03
1310b1491
1497c8a7
156b9216
hex4e7da3

5143971 has 16 divisors (see below), whose sum is σ = 8000000. Its totient is φ = 2938824.

The previous prime is 5143967. The next prime is 5143987. The reversal of 5143971 is 1793415.

It is not a de Polignac number, because 5143971 - 22 = 5143967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5143921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1471 + ... + 3528.

It is an arithmetic number, because the mean of its divisors is an integer number (500000).

Almost surely, 25143971 is an apocalyptic number.

5143971 is a deficient number, since it is larger than the sum of its proper divisors (2856029).

5143971 is an equidigital number, since it uses as much as digits as its factorization.

5143971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5023 (or 5009 counting only the distinct ones).

The product of its digits is 3780, while the sum is 30.

The square root of 5143971 is about 2268.0324071759. The cubic root of 5143971 is about 172.6233354461.

The spelling of 5143971 in words is "five million, one hundred forty-three thousand, nine hundred seventy-one".

Divisors: 1 3 7 21 49 147 343 1029 4999 14997 34993 104979 244951 734853 1714657 5143971